diff --git a/core/Migrations/Version34000Date20260518163022.php b/core/Migrations/Version34000Date20260518163022.php
index c1b29cd9a30f9..1607cb1409a28 100644
--- a/core/Migrations/Version34000Date20260518163022.php
+++ b/core/Migrations/Version34000Date20260518163022.php
@@ -38,6 +38,8 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 			$table->addColumn('class_name', Types::STRING, ['notnull' => true, 'length' => 255]);
 			$table->setPrimaryKey(['class_id']);
 			$table->addUniqueConstraint(['class_name'], 'class_index');
+			// Makes sure there is no auto-increment in Oracle
+			$schema->dropAutoincrementColumn('job_classes_registry', 'class_id');
 
 			return $schema;
 		}
diff --git a/core/Migrations/Version34000Date20260521110333.php b/core/Migrations/Version34000Date20260521110333.php
index 08f59813911ef..7b93690a83413 100644
--- a/core/Migrations/Version34000Date20260521110333.php
+++ b/core/Migrations/Version34000Date20260521110333.php
@@ -45,6 +45,8 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 			$table->addColumn('ram_peak_usage', Types::INTEGER, ['notnull' => true, 'default' => 0]); // Should be MEDIUMINT
 			$table->setPrimaryKey(['run_id']);
 			$table->addIndex(['status'], 'status');
+			// Makes sure there is no auto-increment in Oracle
+			$schema->dropAutoincrementColumn('job_runs', 'run_id');
 
 			return $schema;
 		}
diff --git a/lib/private/BackgroundJob/JobRuns.php b/lib/private/BackgroundJob/JobRuns.php
index a3a517319bd58..6d3c857d62c6e 100644
--- a/lib/private/BackgroundJob/JobRuns.php
+++ b/lib/private/BackgroundJob/JobRuns.php
@@ -72,9 +72,9 @@ public function runningJobs(int $limit = 200): \Generator {
 				$row['run_id'],
 				$this->classesRegistry->getName($row['class_id']),
 				$snowflakeInfo->getServerId(),
-				$row['pid'],
+				(int)$row['pid'],
 				$snowflakeInfo->getCreatedAt(),
-				JobStatus::from($row['status']),
+				JobStatus::from((int)$row['status']),
 			);
 		}
 	}
diff --git a/lib/private/DB/SchemaWrapper.php b/lib/private/DB/SchemaWrapper.php
index 342a246ccb2fc..17c457ac53e6d 100644
--- a/lib/private/DB/SchemaWrapper.php
+++ b/lib/private/DB/SchemaWrapper.php
@@ -144,7 +144,7 @@ public function getDatabasePlatform() {
 	#[\Override]
 	public function dropAutoincrementColumn(string $table, string $column): void {
 		$tableObj = $this->schema->getTable($this->connection->getPrefix() . $table);
-		$tableObj->modifyColumn('id', ['autoincrement' => false]);
+		$tableObj->modifyColumn($column, ['autoincrement' => false]);
 		$platform = $this->getDatabasePlatform();
 		if ($platform instanceof OraclePlatform) {
 			try {
diff --git a/lib/public/BackgroundJob/JobRun.php b/lib/public/BackgroundJob/JobRun.php
index 126448f5e293a..8432f6b94f7f0 100644
--- a/lib/public/BackgroundJob/JobRun.php
+++ b/lib/public/BackgroundJob/JobRun.php
@@ -25,7 +25,7 @@
 	 */
 	public function __construct(
 		/** Run ID (Snowflake ID) */
-		public int $runId,
+		public int|string $runId,
 		/** Class name */
 		public string $className,
 		/** Server ID */